English abbreviations from deea to del
- DEEA (Departamento de Engenharia Electrotécnica e Automação)
- DEERS (Defense Eligibility Enrollment Reporting System)
- DEET (N,N-diethyl-3-methylbenzamide)
- DEEVAL (Detailed Europe Evaluation)
- DEF (Deaf)
- Def. (Defunctus ("Deceased"))
- DEFA (direction des études et fabrications d'armement)
- DEFCON (Defence readiness condition)
- DEFG (Distributed Energy Financial Group (US))
- DEFHR (Days End Farm Horse Rescue)
- DEFI (Data Entry File Inquiry)
- DE Form (Department of Education Form)
- DEFRA ((UK) Department for Environment, Food and Rural Affairs)
- DEFSMAC (DEFense Special Missile and Astronautics Center)
- DEFSU (definitive survey report)
- DEG (Di-Ethylene Glycol)
- DEH (Decorah Municipal Airport)
- DEHS (Design Environmental Heating Systems (Ireland))
- DEI (Denis Island Airport)
- DEII (Detroit Entrepreneurship Institute, Inc.)
- DEI PIG (DOD Enterprise Initiative Program Implementation Group)
- DEIS (Draft Environmental Impact Statement (US))
- DEK (Dance Eat Kick)
- DEL (Indira Gandhi International Airport)